[102] | 1 | from asap._asap import sdtable |
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[226] | 2 | from asap import rcParams |
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[189] | 3 | from numarray import ones,zeros |
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[102] | 4 | import sys |
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| 5 | |
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| 6 | class scantable(sdtable): |
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| 7 | """ |
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| 8 | The ASAP container for scans |
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| 9 | """ |
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[113] | 10 | |
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[340] | 11 | def __init__(self, filename, unit=None): |
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[102] | 12 | """ |
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| 13 | Create a scantable from a saved one or make a reference |
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| 14 | Parameters: |
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[181] | 15 | filename: the name of an asap table on disk |
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| 16 | or |
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| 17 | the name of a rpfits/sdfits/ms file |
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| 18 | (integrations within scans are auto averaged |
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| 19 | and the whole file is read) |
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| 20 | or |
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| 21 | [advanced] a reference to an existing |
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[102] | 22 | scantable |
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[340] | 23 | unit: brightness unit; must be consistent with K or Jy. |
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| 24 | Over-rides the default selected by the reader |
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| 25 | (input rpfits/sdfits/ms) or replaces the value |
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| 26 | in existing scantables |
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[102] | 27 | """ |
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[226] | 28 | self._vb = rcParams['verbose'] |
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[113] | 29 | self._p = None |
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[181] | 30 | from os import stat as st |
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| 31 | import stat |
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| 32 | if isinstance(filename,sdtable): |
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| 33 | sdtable.__init__(self, filename) |
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[340] | 34 | if unit is not None: |
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| 35 | sdtable.set_fluxunit(unit) |
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[181] | 36 | else: |
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[226] | 37 | try: |
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| 38 | mode = st(filename)[stat.ST_MODE] |
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| 39 | except OSError: |
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| 40 | print "File not found" |
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| 41 | return |
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[181] | 42 | if stat.S_ISDIR(mode): |
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| 43 | # crude check if asap table |
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| 44 | if stat.S_ISREG(st(filename+'/table.info')[stat.ST_MODE]): |
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| 45 | sdtable.__init__(self, filename) |
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[340] | 46 | if unit is not None: |
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| 47 | self.set_fluxunit(unit) |
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[181] | 48 | else: |
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| 49 | print 'The given file is not a valid asap table' |
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[226] | 50 | return |
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| 51 | else: |
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| 52 | autoav = rcParams['scantable.autoaverage'] |
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| 53 | |
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[181] | 54 | from asap._asap import sdreader |
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[340] | 55 | ifSel = -1 |
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| 56 | beamSel = -1 |
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| 57 | if unit is None: |
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| 58 | unit = "" |
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[345] | 59 | r = sdreader(filename,ifSel,beamSel) |
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[181] | 60 | print 'Importing data...' |
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| 61 | r.read([-1]) |
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| 62 | tbl = r.getdata() |
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[226] | 63 | if autoav: |
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| 64 | from asap._asap import average |
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| 65 | tmp = tuple([tbl]) |
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| 66 | print 'Auto averaging integrations...' |
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| 67 | tbl2 = average(tmp,(),True,'none') |
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| 68 | sdtable.__init__(self,tbl2) |
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| 69 | del r,tbl |
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| 70 | else: |
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| 71 | sdtable.__init__(self,tbl) |
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[102] | 72 | |
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[256] | 73 | def save(self, name=None, format=None, overwrite=False): |
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[116] | 74 | """ |
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[280] | 75 | Store the scantable on disk. This can be an asap (aips++) Table, SDFITS, |
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| 76 | Image FITS or MS2 format. |
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[116] | 77 | Parameters: |
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[196] | 78 | name: the name of the outputfile. For format="FITS" this |
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[280] | 79 | is the directory file name into which all the files will |
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| 80 | be written (default is 'asap_FITS') |
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[116] | 81 | format: an optional file format. Default is ASAP. |
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[280] | 82 | Allowed are - 'ASAP' (save as ASAP [aips++] Table), |
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[194] | 83 | 'SDFITS' (save as SDFITS file) |
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| 84 | 'FITS' (saves each row as a FITS Image) |
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[200] | 85 | 'ASCII' (saves as ascii text file) |
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[226] | 86 | 'MS2' (saves as an aips++ |
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| 87 | MeasurementSet V2) |
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[256] | 88 | overwrite: if the file should be overwritten if it exists. |
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| 89 | The default False is to return with warning |
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| 90 | without writing the output |
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[116] | 91 | Example: |
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| 92 | scan.save('myscan.asap') |
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| 93 | scan.save('myscan.sdfits','SDFITS') |
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| 94 | """ |
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[226] | 95 | if format is None: format = rcParams['scantable.save'] |
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[256] | 96 | suffix = '.'+format.lower() |
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| 97 | if name is None or name =="": |
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| 98 | name = 'scantable'+suffix |
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[283] | 99 | print "No filename given. Using default name %s..." % name |
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[256] | 100 | from os import path |
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| 101 | if path.isfile(name) or path.isdir(name): |
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| 102 | if not overwrite: |
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| 103 | print "File %s already exists." % name |
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| 104 | return |
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[116] | 105 | if format == 'ASAP': |
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| 106 | self._save(name) |
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| 107 | else: |
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| 108 | from asap._asap import sdwriter as _sw |
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[194] | 109 | w = _sw(format) |
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| 110 | w.write(self, name) |
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[116] | 111 | return |
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| 112 | |
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[102] | 113 | def copy(self): |
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| 114 | """ |
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| 115 | Return a copy of this scantable. |
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| 116 | Parameters: |
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[113] | 117 | none |
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[102] | 118 | Example: |
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| 119 | copiedscan = scan.copy() |
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| 120 | """ |
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[113] | 121 | sd = scantable(sdtable._copy(self)) |
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| 122 | return sd |
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| 123 | |
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[102] | 124 | def get_scan(self, scanid=None): |
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| 125 | """ |
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| 126 | Return a specific scan (by scanno) or collection of scans (by |
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| 127 | source name) in a new scantable. |
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| 128 | Parameters: |
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| 129 | scanid: a scanno or a source name |
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| 130 | Example: |
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[113] | 131 | scan.get_scan('323p459') |
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[102] | 132 | # gets all scans containing the source '323p459' |
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| 133 | """ |
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| 134 | if scanid is None: |
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| 135 | print "Please specify a scan no or name to retrieve from the scantable" |
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| 136 | try: |
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| 137 | if type(scanid) is str: |
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[113] | 138 | s = sdtable._getsource(self,scanid) |
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[102] | 139 | return scantable(s) |
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| 140 | elif type(scanid) is int: |
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[113] | 141 | s = sdtable._getscan(self,scanid) |
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[102] | 142 | return scantable(s) |
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| 143 | except RuntimeError: |
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| 144 | print "Couldn't find any match." |
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| 145 | |
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| 146 | def __str__(self): |
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[256] | 147 | return sdtable._summary(self) |
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[102] | 148 | |
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| 149 | def summary(self,filename=None): |
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| 150 | """ |
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| 151 | Print a summary of the contents of this scantable. |
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| 152 | Parameters: |
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| 153 | filename: the name of a file to write the putput to |
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| 154 | Default - no file output |
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| 155 | """ |
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[256] | 156 | info = sdtable._summary(self) |
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[102] | 157 | if filename is not None: |
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[256] | 158 | if filename is "": |
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| 159 | filename = 'scantable_summary.txt' |
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[102] | 160 | data = open(filename, 'w') |
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| 161 | data.write(info) |
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| 162 | data.close() |
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| 163 | print info |
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| 164 | |
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[256] | 165 | def set_cursor(self, thebeam=0,theif=0,thepol=0): |
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[102] | 166 | """ |
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| 167 | Set the spectrum for individual operations. |
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| 168 | Parameters: |
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| 169 | thebeam,theif,thepol: a number |
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| 170 | Example: |
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[256] | 171 | scan.set_cursor(0,0,1) |
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[135] | 172 | pol1sig = scan.stats(all=False) # returns std dev for beam=0 |
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[181] | 173 | # if=0, pol=1 |
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[102] | 174 | """ |
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| 175 | self.setbeam(thebeam) |
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| 176 | self.setpol(thepol) |
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| 177 | self.setif(theif) |
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| 178 | return |
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| 179 | |
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[256] | 180 | def get_cursor(self): |
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[113] | 181 | """ |
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| 182 | Return/print a the current 'cursor' into the Beam/IF/Pol cube. |
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| 183 | Parameters: |
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| 184 | none |
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| 185 | Returns: |
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| 186 | a list of values (currentBeam,currentIF,currentPol) |
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| 187 | Example: |
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| 188 | none |
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| 189 | """ |
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[102] | 190 | i = self.getbeam() |
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| 191 | j = self.getif() |
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| 192 | k = self.getpol() |
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[113] | 193 | if self._vb: |
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[181] | 194 | print "--------------------------------------------------" |
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[256] | 195 | print " Cursor position" |
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[181] | 196 | print "--------------------------------------------------" |
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[226] | 197 | out = 'Beam=%d IF=%d Pol=%d ' % (i,j,k) |
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[113] | 198 | print out |
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[102] | 199 | return i,j,k |
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| 200 | |
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[226] | 201 | def stats(self, stat='stddev', mask=None, all=None): |
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[102] | 202 | """ |
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[135] | 203 | Determine the specified statistic of the current beam/if/pol |
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[102] | 204 | Takes a 'mask' as an optional parameter to specify which |
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| 205 | channels should be excluded. |
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| 206 | Parameters: |
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[135] | 207 | stat: 'min', 'max', 'sumsq', 'sum', 'mean' |
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| 208 | 'var', 'stddev', 'avdev', 'rms', 'median' |
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| 209 | mask: an optional mask specifying where the statistic |
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[102] | 210 | should be determined. |
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[241] | 211 | all: if true show all (default or .asaprc) rather |
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| 212 | that the cursor selected spectrum of Beam/IF/Pol |
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[102] | 213 | |
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| 214 | Example: |
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[113] | 215 | scan.set_unit('channel') |
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[102] | 216 | msk = scan.create_mask([100,200],[500,600]) |
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[135] | 217 | scan.stats(stat='mean', mask=m) |
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[102] | 218 | """ |
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[226] | 219 | if all is None: all = rcParams['scantable.allaxes'] |
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[135] | 220 | from asap._asap import stats as _stats |
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[256] | 221 | from numarray import array,zeros,Float |
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[102] | 222 | if mask == None: |
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| 223 | mask = ones(self.nchan()) |
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[256] | 224 | axes = ['Beam','IF','Pol','Time'] |
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| 225 | |
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[102] | 226 | if all: |
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[256] | 227 | n = self.nbeam()*self.nif()*self.npol()*self.nrow() |
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| 228 | shp = [self.nbeam(),self.nif(),self.npol(),self.nrow()] |
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| 229 | arr = array(zeros(n),shape=shp,type=Float) |
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| 230 | |
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| 231 | for i in range(self.nbeam()): |
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| 232 | self.setbeam(i) |
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| 233 | for j in range(self.nif()): |
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| 234 | self.setif(j) |
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| 235 | for k in range(self.npol()): |
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| 236 | self.setpol(k) |
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| 237 | arr[i,j,k,:] = _stats(self,mask,stat,-1) |
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| 238 | retval = {'axes': axes, 'data': arr, 'cursor':None} |
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| 239 | tm = [self._gettime(val) for val in range(self.nrow())] |
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[181] | 240 | if self._vb: |
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[256] | 241 | self._print_values(retval,stat,tm) |
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| 242 | return retval |
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[102] | 243 | |
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| 244 | else: |
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[256] | 245 | i,j,k = (self.getbeam(),self.getif(),self.getpol()) |
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[241] | 246 | statval = _stats(self,mask,stat,-1) |
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[181] | 247 | out = '' |
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| 248 | for l in range(self.nrow()): |
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| 249 | tm = self._gettime(l) |
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| 250 | out += 'Time[%s]:\n' % (tm) |
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| 251 | if self.nbeam() > 1: out += ' Beam[%d] ' % (i) |
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| 252 | if self.nif() > 1: out += ' IF[%d] ' % (j) |
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| 253 | if self.npol() > 1: out += ' Pol[%d] ' % (k) |
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| 254 | out += '= %3.3f\n' % (statval[l]) |
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| 255 | out += "--------------------------------------------------\n" |
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[226] | 256 | |
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[181] | 257 | if self._vb: |
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| 258 | print "--------------------------------------------------" |
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| 259 | print " ",stat |
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| 260 | print "--------------------------------------------------" |
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| 261 | print out |
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[256] | 262 | retval = {'axes': axes, 'data': array(statval), 'cursor':(i,j,k)} |
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| 263 | return retval |
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[102] | 264 | |
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[226] | 265 | def stddev(self,mask=None, all=None): |
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[135] | 266 | """ |
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| 267 | Determine the standard deviation of the current beam/if/pol |
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| 268 | Takes a 'mask' as an optional parameter to specify which |
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| 269 | channels should be excluded. |
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| 270 | Parameters: |
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| 271 | mask: an optional mask specifying where the standard |
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| 272 | deviation should be determined. |
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[226] | 273 | all: optional flag to show all or a cursor selected |
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| 274 | spectrum of Beam/IF/Pol. Default is all or taken |
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| 275 | from .asaprc |
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[135] | 276 | |
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| 277 | Example: |
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| 278 | scan.set_unit('channel') |
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| 279 | msk = scan.create_mask([100,200],[500,600]) |
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| 280 | scan.stddev(mask=m) |
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| 281 | """ |
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[226] | 282 | if all is None: all = rcParams['scantable.allaxes'] |
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[135] | 283 | return self.stats(stat='stddev',mask=mask, all=all); |
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| 284 | |
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[226] | 285 | def get_tsys(self, all=None): |
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[113] | 286 | """ |
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| 287 | Return the System temperatures. |
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| 288 | Parameters: |
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| 289 | all: optional parameter to get the Tsys values for all |
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| 290 | Beams/IFs/Pols (default) or just the one selected |
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[256] | 291 | with scantable.set_cursor() |
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[113] | 292 | [True or False] |
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| 293 | Returns: |
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| 294 | a list of Tsys values. |
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| 295 | """ |
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[226] | 296 | if all is None: all = rcParams['scantable.allaxes'] |
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[256] | 297 | from numarray import array,zeros,Float |
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| 298 | axes = ['Beam','IF','Pol','Time'] |
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| 299 | |
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[102] | 300 | if all: |
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[256] | 301 | n = self.nbeam()*self.nif()*self.npol()*self.nrow() |
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| 302 | shp = [self.nbeam(),self.nif(),self.npol(),self.nrow()] |
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| 303 | arr = array(zeros(n),shape=shp,type=Float) |
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| 304 | |
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| 305 | for i in range(self.nbeam()): |
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| 306 | self.setbeam(i) |
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| 307 | for j in range(self.nif()): |
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| 308 | self.setif(j) |
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| 309 | for k in range(self.npol()): |
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| 310 | self.setpol(k) |
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| 311 | arr[i,j,k,:] = self._gettsys() |
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| 312 | retval = {'axes': axes, 'data': arr, 'cursor':None} |
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| 313 | tm = [self._gettime(val) for val in range(self.nrow())] |
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[181] | 314 | if self._vb: |
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[256] | 315 | self._print_values(retval,'Tsys',tm) |
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| 316 | return retval |
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| 317 | |
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[102] | 318 | else: |
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[256] | 319 | i,j,k = (self.getbeam(),self.getif(),self.getpol()) |
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| 320 | statval = self._gettsys() |
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[181] | 321 | out = '' |
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| 322 | for l in range(self.nrow()): |
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| 323 | tm = self._gettime(l) |
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| 324 | out += 'Time[%s]:\n' % (tm) |
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| 325 | if self.nbeam() > 1: out += ' Beam[%d] ' % (i) |
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| 326 | if self.nif() > 1: out += ' IF[%d] ' % (j) |
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| 327 | if self.npol() > 1: out += ' Pol[%d] ' % (k) |
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[256] | 328 | out += '= %3.3f\n' % (statval[l]) |
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| 329 | out += "--------------------------------------------------\n" |
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| 330 | |
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[181] | 331 | if self._vb: |
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| 332 | print "--------------------------------------------------" |
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[256] | 333 | print " TSys" |
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[181] | 334 | print "--------------------------------------------------" |
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| 335 | print out |
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[256] | 336 | retval = {'axes': axes, 'data': array(statval), 'cursor':(i,j,k)} |
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| 337 | return retval |
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[113] | 338 | |
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| 339 | def get_time(self): |
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| 340 | """ |
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| 341 | Get a list of time stamps for the observations. |
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[181] | 342 | Return a string for each integration in the scantable. |
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[113] | 343 | Parameters: |
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| 344 | none |
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| 345 | Example: |
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| 346 | none |
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| 347 | """ |
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| 348 | out = [] |
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| 349 | for i in range(self.nrow()): |
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| 350 | out.append(self._gettime(i)) |
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| 351 | return out |
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[102] | 352 | |
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| 353 | def set_unit(self, unit='channel'): |
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| 354 | """ |
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| 355 | Set the unit for all following operations on this scantable |
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| 356 | Parameters: |
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| 357 | unit: optional unit, default is 'channel' |
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[113] | 358 | one of '*Hz','km/s','channel', '' |
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[102] | 359 | """ |
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[113] | 360 | |
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| 361 | if unit in ['','pixel', 'channel']: |
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| 362 | unit = '' |
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| 363 | inf = list(self._getcoordinfo()) |
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| 364 | inf[0] = unit |
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| 365 | self._setcoordinfo(inf) |
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| 366 | if self._p: self.plot() |
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| 367 | |
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[276] | 368 | def set_doppler(self, doppler='RADIO'): |
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| 369 | """ |
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| 370 | Set the doppler for all following operations on this scantable. |
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| 371 | Parameters: |
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| 372 | doppler: One of 'RADIO', 'OPTICAL', 'Z', 'BETA', 'GAMMA' |
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| 373 | """ |
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| 374 | |
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| 375 | inf = list(self._getcoordinfo()) |
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| 376 | inf[2] = doppler |
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| 377 | self._setcoordinfo(inf) |
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| 378 | if self._p: self.plot() |
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| 379 | |
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[226] | 380 | def set_freqframe(self, frame=None): |
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[113] | 381 | """ |
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| 382 | Set the frame type of the Spectral Axis. |
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| 383 | Parameters: |
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| 384 | frame: an optional frame type, default 'LSRK'. |
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| 385 | Examples: |
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| 386 | scan.set_freqframe('BARY') |
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| 387 | """ |
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[226] | 388 | if not frame: frame = rcParams['scantable.freqframe'] |
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[113] | 389 | valid = ['REST','TOPO','LSRD','LSRK','BARY', \ |
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| 390 | 'GEO','GALACTO','LGROUP','CMB'] |
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| 391 | if frame in valid: |
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| 392 | inf = list(self._getcoordinfo()) |
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| 393 | inf[1] = frame |
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| 394 | self._setcoordinfo(inf) |
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[102] | 395 | else: |
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[113] | 396 | print "Please specify a valid freq type. Valid types are:\n",valid |
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| 397 | |
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| 398 | def get_unit(self): |
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| 399 | """ |
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| 400 | Get the default unit set in this scantable |
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| 401 | Parameters: |
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| 402 | Returns: |
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| 403 | A unit string |
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| 404 | """ |
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| 405 | inf = self._getcoordinfo() |
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| 406 | unit = inf[0] |
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| 407 | if unit == '': unit = 'channel' |
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| 408 | return unit |
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[102] | 409 | |
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[158] | 410 | def get_abcissa(self, rowno=0): |
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[102] | 411 | """ |
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[158] | 412 | Get the abcissa in the current coordinate setup for the currently |
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[113] | 413 | selected Beam/IF/Pol |
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| 414 | Parameters: |
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[226] | 415 | rowno: an optional row number in the scantable. Default is the |
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| 416 | first row, i.e. rowno=0 |
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[113] | 417 | Returns: |
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[158] | 418 | The abcissa values and it's format string. |
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[113] | 419 | """ |
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[256] | 420 | abc = self._getabcissa(rowno) |
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| 421 | lbl = self._getabcissalabel(rowno) |
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[158] | 422 | return abc, lbl |
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[113] | 423 | |
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| 424 | def create_mask(self, *args, **kwargs): |
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| 425 | """ |
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[102] | 426 | Compute and return a mask based on [min,max] windows. |
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[189] | 427 | The specified windows are to be INCLUDED, when the mask is |
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[113] | 428 | applied. |
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[102] | 429 | Parameters: |
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| 430 | [min,max],[min2,max2],... |
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| 431 | Pairs of start/end points specifying the regions |
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| 432 | to be masked |
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[189] | 433 | invert: optional argument. If specified as True, |
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| 434 | return an inverted mask, i.e. the regions |
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| 435 | specified are EXCLUDED |
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[102] | 436 | Example: |
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[113] | 437 | scan.set_unit('channel') |
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| 438 | |
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| 439 | a) |
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[102] | 440 | msk = scan.set_mask([400,500],[800,900]) |
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[189] | 441 | # masks everything outside 400 and 500 |
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[113] | 442 | # and 800 and 900 in the unit 'channel' |
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| 443 | |
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| 444 | b) |
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| 445 | msk = scan.set_mask([400,500],[800,900], invert=True) |
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[189] | 446 | # masks the regions between 400 and 500 |
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[113] | 447 | # and 800 and 900 in the unit 'channel' |
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| 448 | |
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[102] | 449 | """ |
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[113] | 450 | u = self._getcoordinfo()[0] |
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| 451 | if self._vb: |
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| 452 | if u == "": u = "channel" |
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| 453 | print "The current mask window unit is", u |
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[102] | 454 | n = self.nchan() |
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[256] | 455 | data = self._getabcissa() |
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[189] | 456 | msk = zeros(n) |
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[102] | 457 | for window in args: |
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| 458 | if (len(window) != 2 or window[0] > window[1] ): |
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| 459 | print "A window needs to be defined as [min,max]" |
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| 460 | return |
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| 461 | for i in range(n): |
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[113] | 462 | if data[i] >= window[0] and data[i] < window[1]: |
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[189] | 463 | msk[i] = 1 |
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[113] | 464 | if kwargs.has_key('invert'): |
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| 465 | if kwargs.get('invert'): |
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| 466 | from numarray import logical_not |
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| 467 | msk = logical_not(msk) |
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[102] | 468 | return msk |
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[113] | 469 | |
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| 470 | def set_restfreqs(self, freqs, unit='Hz'): |
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[102] | 471 | """ |
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| 472 | Set the restfrequency(s) for this scantable. |
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| 473 | Parameters: |
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| 474 | freqs: one or more frequencies |
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| 475 | unit: optional 'unit', default 'Hz' |
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| 476 | Example: |
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[113] | 477 | scan.set_restfreqs([1000000000.0]) |
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[102] | 478 | """ |
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[113] | 479 | if type(freqs) is float or int: |
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| 480 | freqs = (freqs) |
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| 481 | sdtable._setrestfreqs(self,freqs, unit) |
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[102] | 482 | return |
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[256] | 483 | def get_restfreqs(self): |
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| 484 | """ |
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| 485 | Get the restfrequency(s) stored in this scantable. |
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| 486 | The return value(s) are always of unit 'Hz' |
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| 487 | Parameters: |
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| 488 | none |
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| 489 | Returns: |
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| 490 | a list of doubles |
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| 491 | """ |
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| 492 | return list(self._getrestfreqs()) |
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[102] | 493 | |
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| 494 | def flag_spectrum(self, thebeam, theif, thepol): |
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| 495 | """ |
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| 496 | This flags a selected spectrum in the scan 'for good'. |
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| 497 | USE WITH CARE - not reversible. |
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| 498 | Use masks for non-permanent exclusion of channels. |
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| 499 | Parameters: |
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| 500 | thebeam,theif,thepol: all have to be explicitly |
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| 501 | specified |
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| 502 | Example: |
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| 503 | scan.flag_spectrum(0,0,1) |
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| 504 | flags the spectrum for Beam=0, IF=0, Pol=1 |
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| 505 | """ |
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| 506 | if (thebeam < self.nbeam() and theif < self.nif() and thepol < self.npol()): |
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| 507 | stable.setbeam(thebeam) |
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| 508 | stable.setif(theif) |
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| 509 | stable.setpol(thepol) |
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| 510 | stable._flag(self) |
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| 511 | else: |
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| 512 | print "Please specify a valid (Beam/IF/Pol)" |
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| 513 | return |
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[113] | 514 | |
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| 515 | def plot(self, what='spectrum',col='Pol', panel=None): |
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| 516 | """ |
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| 517 | Plot the spectra contained in the scan. Alternatively you can also |
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| 518 | Plot Tsys vs Time |
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| 519 | Parameters: |
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| 520 | what: a choice of 'spectrum' (default) or 'tsys' |
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[135] | 521 | col: which out of Beams/IFs/Pols should be colour stacked |
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[113] | 522 | panel: set up multiple panels, currently not working. |
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| 523 | """ |
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[283] | 524 | print "Warning! Not fully functional. Use plotter.plot() instead" |
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| 525 | |
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[113] | 526 | validcol = {'Beam':self.nbeam(),'IF':self.nif(),'Pol':self.npol()} |
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[124] | 527 | |
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[113] | 528 | validyax = ['spectrum','tsys'] |
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[189] | 529 | from asap.asaplot import ASAPlot |
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[113] | 530 | if not self._p: |
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| 531 | self._p = ASAPlot() |
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[189] | 532 | #print "Plotting not enabled" |
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| 533 | #return |
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| 534 | if self._p.is_dead: |
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| 535 | del self._p |
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| 536 | self._p = ASAPlot() |
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[113] | 537 | npan = 1 |
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| 538 | x = None |
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| 539 | if what == 'tsys': |
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| 540 | n = self.nrow() |
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| 541 | if n < 2: |
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| 542 | print "Only one integration. Can't plot." |
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| 543 | return |
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[124] | 544 | self._p.hold() |
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| 545 | self._p.clear() |
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[113] | 546 | if panel == 'Time': |
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| 547 | npan = self.nrow() |
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[124] | 548 | self._p.set_panels(rows=npan) |
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[113] | 549 | xlab,ylab,tlab = None,None,None |
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[226] | 550 | self._vb = False |
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[256] | 551 | sel = self.get_cursor() |
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[113] | 552 | for i in range(npan): |
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[226] | 553 | if npan > 1: |
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| 554 | self._p.subplot(i) |
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[113] | 555 | for j in range(validcol[col]): |
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| 556 | x = None |
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| 557 | y = None |
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| 558 | m = None |
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| 559 | tlab = self._getsourcename(i) |
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[124] | 560 | import re |
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| 561 | tlab = re.sub('_S','',tlab) |
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[113] | 562 | if col == 'Beam': |
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| 563 | self.setbeam(j) |
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| 564 | elif col == 'IF': |
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| 565 | self.setif(j) |
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| 566 | elif col == 'Pol': |
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| 567 | self.setpol(j) |
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| 568 | if what == 'tsys': |
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| 569 | x = range(self.nrow()) |
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| 570 | xlab = 'Time [pixel]' |
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| 571 | m = list(ones(len(x))) |
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| 572 | y = [] |
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| 573 | ylab = r'$T_{sys}$' |
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| 574 | for k in range(len(x)): |
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| 575 | y.append(self._gettsys(k)) |
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| 576 | else: |
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[158] | 577 | x,xlab = self.get_abcissa(i) |
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[256] | 578 | y = self._getspectrum(i) |
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[113] | 579 | ylab = r'Flux' |
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[256] | 580 | m = self._getmask(i) |
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[113] | 581 | llab = col+' '+str(j) |
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| 582 | self._p.set_line(label=llab) |
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| 583 | self._p.plot(x,y,m) |
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[124] | 584 | self._p.set_axes('xlabel',xlab) |
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| 585 | self._p.set_axes('ylabel',ylab) |
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| 586 | self._p.set_axes('title',tlab) |
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[113] | 587 | self._p.release() |
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[256] | 588 | self.set_cursor(sel[0],sel[1],sel[2]) |
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[226] | 589 | self._vb = rcParams['verbose'] |
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[113] | 590 | return |
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[256] | 591 | |
---|
| 592 | print out |
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| 593 | |
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| 594 | def _print_values(self, dat, label='', timestamps=[]): |
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| 595 | d = dat['data'] |
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| 596 | a = dat['axes'] |
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| 597 | shp = d.getshape() |
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| 598 | out = '' |
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| 599 | for i in range(shp[3]): |
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| 600 | out += '%s [%s]:\n' % (a[3],timestamps[i]) |
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| 601 | t = d[:,:,:,i] |
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| 602 | for j in range(shp[0]): |
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| 603 | if shp[0] > 1: out += ' %s[%d] ' % (a[0],j) |
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| 604 | for k in range(shp[1]): |
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| 605 | if shp[1] > 1: out += ' %s[%d] ' % (a[1],k) |
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| 606 | for l in range(shp[2]): |
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| 607 | if shp[2] > 1: out += ' %s[%d] ' % (a[2],l) |
---|
| 608 | out += '= %3.3f\n' % (t[j,k,l]) |
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| 609 | out += "--------------------------------------------------\n" |
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| 610 | print "--------------------------------------------------" |
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| 611 | print " ", label |
---|
| 612 | print "--------------------------------------------------" |
---|
| 613 | print out |
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